<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>

  <body>
    <script>
      const orders = [
        {
          id: 1,
          name: 'John Smith',
          address: '123 Main St',
          status: 'created',
          log: [
            {
              status: 'created',
              time: '2023-02-16 12:30:00',
            },
          ],
        },
        {
          id: 3,
          name: 'Jane Doe',
          address: '456 Second St',
          status: 'shipped',
          log: [
            {
              status: 'created',
              time: '2023-02-16 10:00:00',
            },
            {
              status: 'packed',
              time: '2023-02-16 12:30:00',
            },
          ],
        },
        {
          id: 2,
          name: 'Bob Johnson',
          address: '789 Third St',
          status: 'shipped',
          log: [
            {
              status: 'created',
              time: '2023-02-15 10:00:00',
            },
            {
              status: 'packed',
              time: '2023-02-15 12:00:00',
            },
            {
              status: 'shipped',
              time: '2023-02-16 9:00:00',
            },
          ],
        },
      ]

      const getOrdersByStatus = (status) => {
        // 1.先匹配第一层数据
        const newArr = orders
          .filter((item) => item.status === status)
          // 2.匹配第二层
          .map((item) => {
            return {
              id: item.id,
              name: item.name,
              address: item.address,
              status: item.status,
              log: item.log.filter((item) => item.status === status),
            }
          })
          .sort((a, b) => a.id - b.id)

        // console.log(newArr)

        console.log(newArr)
      }

      // getOrdersByStatus('shipped')

      const getOrderByHistory = (id) => {
        //1.先通过id找到对应的数据
        const newArr = orders
          .find((item) => item.id === id)
          .log.sort((a, b) => {
            return new Date(a.time) - new Date(b.time)
          })
          .map((item) => `[${item.time}]  ${item.status}`)
          .join('\n')

        console.log(newArr)
      }

      getOrderByHistory(3)
    </script>
  </body>
</html>
